In news from Africa, the Nigerian government has refiled a $6.5 billion lawsuit against the pharmaceutical company Pfizer for allegedly carrying out fraudulent drug tests on Nigerian children. In 1996, 11 children died in a drug test of the antibiotic Trovan made by Pfizer. According to the lawsuit, other children also suffered injuries including deafness, muteness, paralysis, brain damage, loss of sight, slurred speech. Pfizer has said that it conducted the tests in the full knowledge of the government and in a responsible and ethical way.